Tube-number record
TELEVISION TUBE (CRT)
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BrandMullard
ClassCathode Ray Tube
BaseDuodecal
Filament— V @ 300 mA
Construction
Primary TypeDisplay / CRT
EnvelopeMetal-backed grey-glass
Base MaterialGlass/Metal
SectionsSingle
Filament / Heater
Heater NotesSuitable for series or parallel operation. Surge heater voltage must not exceed 9.5V r.m.s.
Absolute Maximum Ratings
Plate Voltage16000 V
Plate Dissipation6 W
Grid 2 Voltage410 V
Grid 1 Voltage-150 V
H-C Voltage200 V
Audio Performance
Key Features
- Metal-backed screen
- External conductive coating
- No ion trap required
- Grey-glass screen
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Direct Viewing | 14000 V | — | — | — | — |
Application Notes
The product of Va3 and Ia (average value for the whole screen) must not exceed 6W. To avoid excessive hum, the a.c. component of Vh-k should be less than 20V r.m.s.
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